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Bug ID: 7121140 Allocation paths require explicit memory synchronization operations for RMO systems
7121140 : Allocation paths require explicit memory synchronization operations for RMO systems

Details
Type:
Bug
Submit Date:
2011-12-13
Status:
Closed
Updated Date:
2013-03-05
Project Name:
JDK
Resolved Date:
2012-03-29
Component:
hotspot
OS:
generic
Sub-Component:
compiler
CPU:
arm
Priority:
P3
Resolution:
Fixed
Affected Versions:
hs23
Fixed Versions:
hs23

Related Reports
Backport:
JDK-2219980 - Allocation paths require explicit memory synchronization operations for RMO systems
Backport:
JDK-2219880 - Allocation paths require explicit memory synchronization operations for RMO systems
Relates:
JDK-8009460 - C2compiler crash in machnode::in_regmask(unsigned int)

Sub Tasks

Description
On systems that don't implement total store ordering, a store store barrier is required after a newly allocated object is initialized (header and body) and before it becomes reachable by other threads.

Comments
EVALUATION

http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/1dc233a8c7fe
2012-03-22 
EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/1dc233a8c7fe
2011-12-22 
EVALUATION

See description.
2011-12-13


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